Federal Data Hub › IRS Migration Flows · JSON
County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: -219 tax returns · +250 people · $-55,311,000 AGI
| County | Returns | AGI |
|---|---|---|
| Somerset County, NJ | 689 | $83,096,000 |
| Middlesex County, NJ | 354 | $40,298,000 |
| Warren County, NJ | 231 | $17,444,000 |
| Morris County, NJ | 190 | $24,154,000 |
| Union County, NJ | 169 | $18,006,000 |
| Mercer County, NJ | 152 | $18,902,000 |
| Bucks County, PA | 125 | $11,556,000 |
| Hudson County, NJ | 118 | $14,613,000 |
| Essex County, NJ | 94 | $8,416,000 |
| Monmouth County, NJ | 80 | $6,608,000 |
| County | Returns | AGI |
|---|---|---|
| Somerset County, NJ | 400 | $54,646,000 |
| Warren County, NJ | 291 | $25,963,000 |
| Middlesex County, NJ | 173 | $12,493,000 |
| Bucks County, PA | 163 | $17,141,000 |
| Morris County, NJ | 133 | $18,260,000 |
| Mercer County, NJ | 132 | $15,307,000 |
| Northampton County, PA | 125 | $16,906,000 |
| Ocean County, NJ | 96 | $15,300,000 |
| Hudson County, NJ | 94 | $9,397,000 |
| New York County, NY | 91 | $17,016,000 |
IRS migration data tracks where tax filers lived in consecutive years. A "return" is roughly a household; "AGI" is the adjusted gross income that moved with them. Net migration = inflow − outflow. Small county-pair flows are suppressed by the IRS for privacy and shown blank.
Source: IRS SOI Migration Data. License: CC0 1.0.